Niantic (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Niantic.
Climate overview of Niantic
The climate in Niantic, Connecticut, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to 4°C (39°F) in January.
The city receives considerable rain/snowfall, with around 1267 mm (50 in) annually. December is the wettest month. Sunshine peaks in July, when the city sees around 9.8 hours of sunshine per day.
Niantic Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Niantic — and find the best time to visit.
Monthly Temperature in Niantic
In Niantic, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a chilly 4°C (39°F) in the coolest month, January.
Nights vary from 19°C (66°F) in July to around -5°C (23°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Niantic
Niantic experiences significant rain/snowfall throughout the year, averaging 1267 mm (50 in) of precipitation annually. Precipitation levels in Niantic remain relatively steady throughout the year. December has the most rain, with 130 mm (5.1 in) over 13 days. In the driest month November, this drops slightly to 93 mm (3.7 in), making the city's climate fairly predictable. For more details, please visit our Niantic Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Niantic
For those who appreciate different seasons, Niantic serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.8 hours of sunshine daily, and embrace the darker days in November, offering only 4.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Niantic by Month
The relative humidity is high throughout the year in Niantic.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Niantic
Frequently asked questions about the climate in Niantic
What is the best time to visit Niantic?
July and August typically offer the most optimal weather in Niantic. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Niantic?
Daytime highs range from 4°C (39°F) in January to 27°C (81°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Niantic get?
Annual rainfall is around 1267 mm (50 in). December is the wettest month with 130 mm (5.1 in), while November is the driest with 93 mm (3.7 in).
How sunny is Niantic?
Niantic receives around 2,579 hours of sunshine per year. July is the sunniest month with 293 hours, while November is the cloudiest with just 139 hours. Overall, Niantic enjoys abundant sunshine.
Niantic 3-Day Forecast
Niantic (CT) 3-Day Forecast
Niantic on the map
Niantic is highlighted — select any city to see its climate.
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